CAT24C21WI
- Mfr.Part #
- CAT24C21WI
- Manufacturer
- onsemi
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC EEPROM 1KBIT I2C 400KHZ 8SOIC
- Stock
- 24,222
- In Stock :
- 24,222
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- Manufacturer :
- onsemi
- Product Category :
- Memory
- Terminal Pitch :
- 1.27 mm
- Memory Size :
- 1Kbit
- Manufacturer :
- ON Semiconductor
- Package :
- Bulk
- Factory Lead Time :
- 1 Week
- Terminal Form :
- Gull wing
- Memory Density :
- 1024 bit
- Data Retention Time-Min :
- 100
- Base Product Number :
- CAT24C21
- Power Supplies :
- 3/5 V
- Memory Interface :
- I²C
- Parallel/Serial :
- Serial
- Terminal Position :
- Dual
- Length :
- 4.9 mm
- Package Shape :
- RECTANGULAR
- Operating Temperature :
- -40°C ~ 85°C (TA)
- Memory Organization :
- 128 x 8
- Supply Voltage-Max (Vsup) :
- 5.5 V
- Pbfree Code :
- yes
- Supply Voltage-Min (Vsup) :
- 2.5 V
- Operating Mode :
- SYNCHRONOUS
- Number of Functions :
- 1
- Access Time :
- 1 μs
- Qualification Status :
- Not Qualified
- Seated Height-Max :
- 1.75 mm
- Write Cycle Time-Max (tWC) :
- 10 ms
- Standby Current-Max :
- 0.000001 A
- Peak Reflow Temperature (Cel) :
- 260
- Series :
- -
- Supplier Device Package :
- 8-SOIC
- ECCN Code :
- EAR99
- Terminal Finish :
- Tin (Sn)
- Technology :
- EEPROM
- HTS Code :
- 8542.32.00.51
- Number of Words :
- 128 words
- Clock Frequency :
- 400 kHz
- Product Status :
- Active
- Endurance :
- 1000000 Write/Erase Cycles
- Memory Format :
- EEPROM
- Subcategory :
- EEPROMs
- Pin Count :
- 8
- JESD-609 Code :
- e3
- Supply Current-Max :
- 0.002 mA
- Temperature Grade :
- Industrial
- Serial Bus Type :
- I2C
- Surface Mount :
- yes
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Organization :
- 128X8
- Mounting Type :
- Surface Mount
- Width :
- 3.9 mm
- Memory IC Type :
- EEPROM
- JESD-30 Code :
- R-PDSO-G8
- Memory Width :
- 8
- Reach Compliance Code :
- Compliant
- Number of Terminals :
- 8
- Memory Type :
- Non-Volatile
- Voltage - Supply :
- 2.5V ~ 5.5V
- Write Cycle Time - Word, Page :
- 5ms
- I2C Control Byte :
- 1010XXXR
- Datasheets
- CAT24C21WI

Memory onsemi CAT24C21WI Overview
The Memory onsemi CAT24C21WI is a high-performance IC EEPROM designed for efficient data storage in a compact format. This EEPROM unit from onsemi offers 1Kbit of memory, with an I2C interface facilitating communication speeds up to 400kHz. Encased in an 8SOIC package, it ensures durability and ease of integration into various electronic assemblies. Ideal for applications requiring reliable and non-volatile memory storage without frequent updates, the CAT24C21WI stands out for its low-power consumption and stable operation, making it a preferred choice for manufacturers looking to enhance their systems while maintaining cost-effectiveness and operational efficiency.
CAT24C21WI Features
- 1Kbit of EEPROM memory allows for efficient data storage suitable for configuration and identification tasks.
- I2C interface supports up to 400kHz, enabling quick and reliable communication with microcontrollers and other IC devices.
- 8SOIC package offers a compact form factor that is easy to integrate into space-constrained applications.
- Low power consumption makes it an ideal choice for portable and battery-operated devices.
- Durable and reliable performance under a wide range of environmental conditions.
CAT24C21WI Applications
- Consumer Electronics: Utilized in settings such as personal electronics and home appliances for user configuration and preference memory.
- Automotive Systems: Serves as a robust solution for storing non-volatile data crucial for automotive control systems and configurations.
- Industrial Control: Ideal for use in factory settings where machines require small data banks for operational parameters and system diagnostics.
- Healthcare Devices: Applied in medical devices for storing calibration data and device configurations to ensure consistent performance.
- Telecommunications: Used in network devices for storing network configurations and service data critical for communication operations.
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